Stay updated with real-time air quality in Essex, UK featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
31
Good
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.34 μg/m³
0
55
155
255
425
605+
33.75 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
3.95 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 34
Good
5.21μg/m³
PM2.5
9.25μg/m³
PM10
36.73ppb
O3
0.44ppb
SO2
5.89ppb
NO2
0.26ppm
CO
AQI 31
Good
4.14μg/m³
PM2.5
15.40μg/m³
PM10
32.72ppb
O3
0.54ppb
SO2
4.34ppb
NO2
0.26ppm
CO
AQI 35
Good
3.54μg/m³
PM2.5
11.68μg/m³
PM10
37.65ppb
O3
0.74ppb
SO2
19.45ppb
NO2
0.26ppm
CO
AQI 34
Good
4.39μg/m³
PM2.5
11.99μg/m³
PM10
37.02ppb
O3
0.58ppb
SO2
6.33ppb
NO2
0.26ppm
CO
AQI 34
Good
4.31μg/m³
PM2.5
12.19μg/m³
PM10
36.55ppb
O3
0.66ppb
SO2
8.26ppb
NO2
0.26ppm
CO
AQI 30
Good
4.35μg/m³
PM2.5
8.94μg/m³
PM10
32.22ppb
O3
0.57ppb
SO2
4.51ppb
NO2
0.26ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 04:00:00 on 2026-04-18.
In the last 24 hours, the best air quality in Essex, UK was observed at 12:00:00 on 2026-04-19.
As of now, the AQI in Essex, UK is 32, indicating Good conditions.
Essex, UK air has the highest levels of O3.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 4.795 μg/m3.
The PM10 concentration in Essex, UK is 10.68 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.257 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.578 ppb.
The current ozone (O3) level in Essex, UK at the moment is 34.978 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 4.491 ppb.
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